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A THIN-LAYER ELEMENT FOR SIMULATION OF STATIC AND DYNAMIC CHARACTERISTICS OF SOF T INTERLAYER AND ITS APPLICATION
Author(s): 
Pages: 36-40
Year: Issue:  2
Journal: ENGINEERING MECHANICS

Keyword:  薄层单元重力坝动力夹层;
Abstract: 在有厚度的Goodman单元模型基础上,借鉴Desai构筑接触面单元的思想,提出了一种能够模拟夹层静、动力特性的薄层单元.在求解过程中,利用混合迭代,比较高效率地实现了超余应力调整与嵌入调整统一迭代,加快了迭代速度,为工程应用奠定了基础.利用这种夹层单元对某重力坝的抗震稳定进行了分析,分析结果表明该重力坝的动力稳定由坝前的软弱夹层控制,抗震安全系数约为2.50.
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